GROW GM60-S UART 1D/QR/2D Bar Code Scanner QR Code Barcode Scanner Module Round Small Ring Indicator Light LED Controlled.
 
Specifications
Model: GM60-S
Type: Barcode Scanner
Decoding Ability: QR Code, Data Matrix, PDF417,EAN13,UPC,Code 39,Code 93,Code 128,UCC/EAN 128
Scan Mode: 640*480
Interface: UART
Resolution: 5mil
Serial Baud Rate(UART): 57600
Operating Voltage: 3.3V
Operating Current: 70mA
Contrast: ≥25%
Weight: 2g
Size: Diameter 21mm   Height 12mm    
Scan Angle: Roll 360°, Pitch 55°, Yaw 55°
Viewing Angle: 69°(Inclination), 56°(Elevation)
Light: Colorful indicator/green light flashing prompt reading success
Operating Temperature: -20 degrees to 60 degrees
Storage Temperature: -40 degrees to 80 degrees
Temperature Humidity: 5% to 95% Relative humidity, Non-condensing
 
Resources: 
1. User Manual for Barcode Scanner